CVE-2026-47386

CVE-2026-47386 affects NocoDB’s OAuth token-exchange flow. Before 2026.05.1, two concurrent token-exchange requests could use the same OAuth authorization code to mint two valid token pairs, breaking PKCE’s single-use guarantee. The issue is mitigated by a fix in 2026.05.1, which introduces atomi...

CVE-2026-47386 NocoDB: OAuth Authorization Code Race Condition

NocoDB is software for building databases as spreadsheets. Prior to 2026.05.1, two concurrent token-exchange requests using the same OAuth authorization code could each mint a distinct valid accesstoken, refreshtoken pair, breaking the single-use guarantee that PKCE relies on. This vulnerability ...